<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo3.jpg" alt="" />
      </div>
      <!-- 登录表单区域 -->
      <el-form
        ref="loginFormRef"
        :model="loginForm"
        :rules="loginFormRules"
        label-width="0px"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="el-icon-user"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            prefix-icon="el-icon-lock"
            type="password"
          ></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import { Login } from '@/api/adminuser'
import { AfterLogin } from '@/utils/login'
import Violation from '../views/Violation'
import getRoutes from '../router/routes'
export default {
  data() {
    return {
      // 这是登录表单的数据绑定对象
      loginForm: {
        username: 'chenmiao',
        password: 'admin@123',
      },
      // 这是表单的验证规则对象
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: '请输入登录用户名', trigger: 'blur' },
          {
            min: 3,
            max: 20,
            message: '长度在 3 到 20 个字符',
            trigger: 'blur',
          },
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '长度在 6 到 15 个字符',
            trigger: 'blur',
          },
        ],
      },
    }
  },
  methods: {
    // 点击重置按钮，重置登录表单
    resetLoginForm() {
      this.$refs.loginFormRef.resetFields()
    },
    login() {
      this.$refs.loginFormRef.validate(async (valid) => {
        if (!valid) return
        const result = await Login(this.loginForm)
        if (result && AfterLogin(result)) {
          this.$message.success('登录成功')
          /* let routes=getRoutes('superuser')
          if(!result.is_superuser){
            routes=getRoutes(result.roles)
          }
          console.log('登录成功 获取路由:',routes)
          if(routes){
            //进行动态加载
            this.$router.addRoute('home',routes)
          } */
          // 2. 通过编程式导航跳转到后台主页
          this.$router.push('/')
        }
      })
    },
  },
}
</script>

<style lang="less" scoped>
.login_container {
  //background-color: #2b4b6b;
  background-image: url('../assets/bg.jpg');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: 100% 100%;

  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 8px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    //background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}

.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
